G B Trobaugh

Thallium-201 myocardial imaging: an interinstitutional study of observer variability.

J L Ritchie, G W Hamilton, J. Ritchie, 1978, Journal of nuclear medicine : official publication, Society of Nuclear Medicine.

Reproducibility of ventricular function measurements by contrast angiography.

A. Hallstrom, G. Trobaugh, J. Kennedy, 1984, Catheterization and cardiovascular diagnosis.